pH and temperature meter



FIG. 1 is a perspective view of a pH and temperature meter showing ournew design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof; the right sideelevational view being a mirror image thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front view with cap removed;

FIG. 8 is a rear view with cap removed; and,

FIG. 9 is a bottom view with cap removed.

The ornamental design for a pH and temperature meter, as shown.